# SDR 2008UALA01851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2008
- Submitted: April 1, 2008
- Operation: Air carrier
- Aircraft: [N556UA](https://openairdocs.org/aircraft/N556UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 26650
- Aircraft time: 53,289 hours, 19,551 cycles
- Engine: Pwa PW2037
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Jackscrew
- Part number: 251N20101
- Condition: Gouged
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA01851

## Discrepancy

HORIZONTAL STAB JACKSCREW MIDDLE SECTION HAS .001 GOUGE.   HORIZONTAL STAB BALLSCREW SHOWS SIGNS OF GALLING AND WEAR  ALONG MIDDLE 2 FOOT LENGTH OF BALLSCREW, JACKSCREW REMOVED AND REPLACED,


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